package com.pdsu.alumni.dao;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.pdsu.alumni.pojo.User;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Repository;

@Mapper
@Repository
public interface UserMapper extends BaseMapper<User> {
    /**
     * 根据用户名获得用户头像
     *
     * @param userName
     * @return
     */
    String getUserImg(String userName);
}
